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Subject[PATCH v1 1/5] scsi: ufs: Recheck bkops level if bkops is disabled
Date
From: Asutosh Das <asutoshd@codeaurora.org>

Bkops level should be rechecked upon receiving an exception.
Currently the bkops level is being cached and never updated.

Update the same each time the level is checked.
Also do not use the cached bkops level value if it is disabled
and then enabled.

Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 3910c58..8e7c362 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -5099,6 +5099,7 @@ static int ufshcd_disable_auto_bkops(struct ufs_hba *hba)

hba->auto_bkops_enabled = false;
trace_ufshcd_auto_bkops_state(dev_name(hba->dev), "Disabled");
+ hba->is_urgent_bkops_lvl_checked = false;
out:
return err;
}
@@ -5123,6 +5124,7 @@ static void ufshcd_force_reset_auto_bkops(struct ufs_hba *hba)
hba->ee_ctrl_mask &= ~MASK_EE_URGENT_BKOPS;
ufshcd_disable_auto_bkops(hba);
}
+ hba->is_urgent_bkops_lvl_checked = false;
}

static inline int ufshcd_get_bkops_status(struct ufs_hba *hba, u32 *status)
@@ -5169,6 +5171,7 @@ static int ufshcd_bkops_ctrl(struct ufs_hba *hba,
err = ufshcd_enable_auto_bkops(hba);
else
err = ufshcd_disable_auto_bkops(hba);
+ hba->urgent_bkops_lvl = curr_status;
out:
return err;
}
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
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